Finding the Fourth Proportional to 134,931.25, 202,520.35 and 68,417.29
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Solution
The fourth proportional to 134,931.25, 202,520.35 and 68,417.29 is: 102,688.54
Step by Step Solution
- Step 1: Write the proportion equation
134,931.25 : 202,520.35 = 68,417.29 : x - Step 2: Convert to fraction form
134,931.25/202,520.35 = 68,417.29/x - Step 3: Cross multiply
134,931.25x = 202,520.35 × 68,417.29 - Step 4: Simplify right side
134,931.25x = 13,855,893,855.52 - Step 5: Solve for x
x = 13,855,893,855.52/134,931.25 - Step 6: Final answer
x = 102,688.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.